diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 891d75d..93f62e6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -1,37 +1,26 @@
 name: Main
 on: [push]
 jobs:
-  ubuntu:
-    runs-on: ubuntu-latest
+  examples_template:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, debian-11]
+        c3_tar: [c3-ubuntu-20.tar.gz, c3-linux.tar.gz]
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
+
       - name: Install dependencies
         run: |
           sudo apt-get update
           sudo apt-get install libglfw3 libglfw3-dev libgles2-mesa-dev
+
       - name: Download c3 tool
-        run: wget https://github.com/c3lang/c3c/releases/download/latest/c3-ubuntu-20.tar.gz
+        run: wget https://github.com/c3lang/c3c/releases/download/latest/${{ matrix.c3_tar }}
+
       - name: Extract c3 tool
-        run: tar xvf c3-ubuntu-20.tar.gz
-      #- name: List directory structure
-      #  run: tree -L 2
-      - name: Build with c3
-        run: ./c3/c3c build examples_template
-  debian:
-    runs-on: debian-11
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v4
-      - name: Install dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install libglfw3 libglfw3-dev libgles2-mesa-dev
-      - name: Download c3 tool
-        run: wget https://github.com/c3lang/c3c/releases/download/latest/c3-linux.tar.gz
-      - name: Extract c3 tool
-        run: tar xvf c3-linux.tar.gz
-      #- name: List directory structure
-      #  run: tree -L 2
+        run: tar xvf ${{ matrix.c3_tar }}
+
       - name: Build with c3
         run: ./c3/c3c build examples_template